| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 429524000 | Including platinum catalyst | 43 |
| 20110136046 | FUEL CELL CATALYST SUPPORT WITH FLUORIDE-DOPED METAL OXIDES/PHOSPHATES AND METHOD OF MANUFACTURING SAME - A fuel cell catalyst support includes a fluoride-doped metal oxide/phosphate support structure and a catalyst layer, supported on such fluoride-doped support structure. In one example, the support structure is a sub-stechiometric titanium oxide and/or indium-tin oxide (ITO) partially coated or mixed with a fluoride-doped metal oxide or metal phosphate. In another example, the support structure is fluoride-doped and mixed with at least one of low surface carbon, boron-doped diamond, carbides, borides, and silicides. | 06-09-2011 |
| 20110136047 | FUEL CELL CATALYST SUPPORT WITH BORON CARBIDE-COATED METAL OXIDES/PHOSPHATES AND METHOD OF MANUFACTURING SAME - A fuel cell catalyst support includes a support structure having a metal oxide and/or a metal phosphate coated with a layer of boron carbide. Example metal oxides include titanium oxide, zirconium oxide, tungsten oxide, tantalum oxide, niobium oxide and oxides of yttrium, molybdenum, indium, and tin and their phosphates. A boron carbide layer is arranged on the support structure by a chemical or mechanical process, for example. Finally, a catalyst layer is deposited on the boron carbide layer. | 06-09-2011 |
| 20110275011 | Electrochemical Catalysts for Fuel Cells - The present invention relates to electrochemical catalyst particles, including nanoparticles, which can be used membrane electrode assemblies and in fuel cells. In exemplary embodiments, the present invention provides electrochemical catalysts supported by various materials. Suitably the catalysts have an atomic ratio of oxygen to a metal in the nanoparticle of about 3 to about 6. | 11-10-2011 |
| 20110275010 | CATALYTIC MATERIAL - A catalytic material includes a plurality of nanoparticles that each comprise a gold substrate and a catalyst on the gold substrate. The gold substrate includes surface facets of which a predominant amount are Au(100)-oriented crystal planes. | 11-10-2011 |
| 20110053050 | METHOD OF FUNCTIONALIZING A CARBON MATERIAL - The present invention relates to a method of functionalizing a carbon material. A carbon material is contacted with a carboxylic acid, whereby a mixture is formed. The mixture is heated for a suitable period of time at a temperature below the thermal decomposition temperature of the carbon material. | 03-03-2011 |
| 20110217626 | PHOTOCATALYTIC ELECTRODE AND FUEL CELL - The invention provides an electrode comprising an electrically conductive material having a surface capable of producing surface enhanced Raman scattering of incident light from a complex adsorbed at the surface of the electrode, the complex including the electrically conductive material combined with a second material that is substantially reducible and not substantially oxidizable. The surface of the electrode can be microroughened. The invention also includes a method for making various embodiments of the electrode, and a method of generating electricity using the electrode. In accordance with a further aspect of the invention, a fuel cell is provided including the electrode of the invention. | 09-08-2011 |
| 20110200915 | PLATINUM-CONTAINING CATALYST AND METHOD OF PRODUCING THE SAME, ELECTRODE AND ELECTROCHEMICAL DEVICE - In one example embodiment, a core-shell type platinum-containing catalyst is allowed to reduce the amount of used platinum and has high catalytic activity and stability. In one example embodiment, the core-shell type platinum-containing catalyst includes a core particle (with an average particle diameter R | 08-18-2011 |
| 20100273093 | CATALYST PARTICLE SIZE CONTROL WITH ORGANIC PIGMENTS - A fuel cell catalyst is provided comprising nanostructured elements comprising microstructured support whiskers bearing a thin film of nanoscopic catalyst particles, where the thin film of nanoscopic catalyst particles is made by alternating application of first layers comprising catalyst material, such as platinum or a platinum alloy, and second layers comprising a vacuum sublimable organic molecular solid, such as an aromatic organic pigments such as perylene red or a pthalocyanine | 10-28-2010 |
| 20100279210 | CATALYST PROPERTY CONTROL WITH INTERMIXED INORGANICS - Nanostructured thin film catalysts which may be useful as fuel cell catalysts are provided, the catalyst materials including intermixed inorganic materials. In some embodiments the nanostructured thin film catalysts may include catalyst materials according to the formula Pt | 11-04-2010 |
| 20100216055 | FUEL CELL - According to one embodiment, fuel cell includes an anode, into which an aqueous methanol solution is introduced as fuel, includes a current collector and a catalyst layer formed on the current collector, a cathode, into which an oxidizing agent is introduced, includes a current collector and a catalyst layer formed on the current collector, and an electrolyte membrane interposed between the catalyst layer of the anode and the catalyst layer of the cathode. The catalyst layer of at least one of the anode and the cathode contains carbon particles having pores on the surface thereof, catalyst microparticles which are supported by these carbon particles and are finer than the carbon particles, a perfluoroalkylsulfonic acid polymer and a high-molecular compound having a repeating unit of a high-molecular chain fixed to the surface of the carbon particles. | 08-26-2010 |
| 20100196801 | ALKALINE FUEL CELL ELECTRODE CATALYST, ALKALINE FUEL CELL, MANUFACTURE METHOD FOR ALKALINE FUEL CELL ELECTRODE CATALYST, AND MANUFACTURE METHOD FOR ALKALINE FUEL CELL - An alkaline fuel cell electrode catalyst includes a first catalyst particle that contains at least one of iron (Fe), cobalt (Co) and nickel (Ni), a second catalyst particle that contains at least one of platinum (Pt) and ruthenium (Ru), and a carrier for supporting the first catalyst particle and the second catalyst particle. | 08-05-2010 |
| 20110008715 | PLATINUM LOADED SUBSTRATE FOR A FUEL CELL AND METHOD FOR PRODUCING SAME - A method of depositing platinum onto a support is disclosed. This method is based on a combination of two processes: electrochemical and electroless deposition, using a chemical bath containing a platinum source and agents that trigger nucleation and buffer the solution. This method is capable of producing a catalyst having a gravimetric current density of at least approximately 0.8 mA/cm2 per ?g of platinum per cm2 at cell voltage of 0.9V/RHE for oxygen reduction reaction. | 01-13-2011 |
| 20110033784 | ELECTRODE WITH A COATING, METHOD IN PRODUCTION THEREOF AND USE OF A MATERIAL - An element being an electrode ( | 02-10-2011 |
| 20110244371 | MICROPOROUS THIN FILM COMPRISING NANOPARTICLES, METHOD OF FORMING THE SAME, AND FUEL CELL COMPRISING THE SAME - A microporous thin film, a method of forming the same and a fuel cell including the microporous thin film, are provided. The microporous thin film includes uniform nanoparticles and has a porosity of at least about 20%. Therefore, the microporous thin film can be efficiently used in various applications such as fuel cells, primary and secondary batteries, adsorbents, and hydrogen storage alloys. The microporous thin film is formed on a substrate, includes metal nanoparticles, and has a microporous structure with porosity of 20% or more. | 10-06-2011 |
| 20110129762 | METHOD OF INCREASING HYDROPHILIC PROPERTY OF CRYSTALLINE CARBON USING SURFACE MODIFIER AND METHOD OF PREPARING PLATINUM CATALYST USING THE SAME - The present invention features a method for increasing hydrophilic properties of crystalline carbon using a surface modifier and a method for preparing a Pt/C catalyst using the same. In certain preferred embodiments, the present invention features a method for increasing hydrophilic properties of crystalline carbon having water repellency by forming π-π interaction between the surface of the crystalline carbon and a surface modifier and a method for preparing a catalyst by supporting platinum (Pt) on the crystalline carbon having increased hydrophilic property. The Pt/C catalyst prepared by the methods of the present invention is useful for the preparation of electrode materials for fuel cells. | 06-02-2011 |
| 20110212386 | CATALYTIC MATERIALS FOR FUEL CELL ELECTRODED AND METHOD FOR THEIR PRODUCTION - Layered catalyst structures for fuel cells, particularly for a Proton Exchange Membrane Fuel Cell (PEMFC), are produced by a reactive spray deposition technology process. The catalyst layers so produced contain particles sized between 1 and 15 nm and clusters of such particles of a catalyst selected from the group consisting of platinum, platinum alloys with transition metals, mixtures thereof and non-noble metals. The catalyst layers without an electrically conducting supporting medium exhibit dendritic microstructure, providing high electrochemically active surface area and electron conductivity at ultra-low catalyst loading. The catalyst layers deposited on an electrically conducting medium, such as carbon, exhibit three-dimensional functional grading, which provides efficient utilization as a catalyst, high PEMFC performance at the low catalyst loading, and minimized limitations caused by reactant diffusion and activation. The catalytic layers may be produced by a single-run deposition method. | 09-01-2011 |
| 20110086294 | ELECTRODES INCLUDING AN EMBEDDED COMPRESSIBLE OR SHAPE CHANGING COMPONENT - One exemplary embodiment includes an electrode including an embedded compressible or shape changing component. | 04-14-2011 |
| 20110086295 | CORE / SHELL-TYPE CATALYST PARTICLES AND METHODS FOR THEIR PREPARATION - The invention discloses core/shell type catalyst particles comprising a M | 04-14-2011 |
| 20110177432 | POROUS METAL CATALYSTS FOR OXYGEN REDUCTION - A porous metal that comprises platinum and has a specific surface area that is greater than 5 m | 07-21-2011 |
| 20120034550 | Palladium-Platinum Nanostructures And Methods For Their Preparation - Palladium-seeded, dendritic platinum nanostructures that are useful as electrocatalysts and methods for preparing such nanostructures. The palladium-platinum nanostructures may be incorporated into fuel cell electrodes including fuel cells that include a proton exchange membrane (PEM). | 02-09-2012 |
| 20100316937 | ALLOY CATALYST FOR REDOX REACTION - An alloy catalyst for redox reaction which is capable of obtaining even superior catalytic activity comprises alloy particles of platinum and nickel, wherein the alloy particle is equipped at an outer surface with a crystal lattice plane represented by a Miller index {111}, and has an average particle diameter in a range of from 6 to 20 nm. The alloy particle preferably takes a shape selected from a regular octahedron, a truncated octahedron, a regular tetrahedron, and a truncated tetrahedron. | 12-16-2010 |
| 20110020735 | Fuel Cell Catalysts with Enhanced Catalytic Surface Area and Method of Making the Same - According to at least one aspect of the present invention, there is provided a fuel cell catalyst formed from a metallic alloy of one or more catalyst metals and one or more leachable metals through potential cycling to remove at least a portion of the leachable metals such that an effective catalytic surface area of the fuel cell catalyst per a given amount of the catalyst metals is enhanced after removal of the at least a portion of the one or more leachable metals. | 01-27-2011 |
| 20110027696 | METHOD FOR CONTROLLING IONOMER AND PLATINUM DISTRIBUTION IN A FUEL CELL ELECTRODE - One embodiment of the invention includes a method including applying a first ink comprising carbon over a substrate and drying the first ink to form a first electrode layer, applying a second ink including a second catalyst over the first electrode layer and drying the second ink to form a second electrode layer, and applying a third ink comprising an ionomer solution over the second electrode layer and drying the third ink to form an ionomer overcoat. | 02-03-2011 |
| 20110262843 | ELECTROCATALYSTS AND PROCESSES FOR PRODUCING - Noble metal catalysts and methods for producing the catalysts are provided. The catalysts are useful in applications such as fuel cells. The catalysts exhibit reduced agglomeration of catalyst particles as compared to conventional noble metal catalysts. | 10-27-2011 |
| 20110053051 | ELECTRODE CATALYST COMPOSITION FOR FUEL CELL AND METHOD OF MANUFACTURING THE SAME - The present invention provides an electrode binder for a polymer electrolyte membrane fuel cell which includes a hydrocarbon-based polymer and a water-soluble polymer acting as a porogen, a porous hydrocarbon-based electrode catalyst layer including the electrode binder, and a method of manufacturing the same. Because of the use of the porogen, the pore size and porosity of the hydrocarbon-based binder catalyst layer are optimized, and bondability of a hydrocarbon-based membrane electrode assembly is enhanced. The present invention also features a fuel cell manufactured using the porogen. | 03-03-2011 |
| 20110065025 | PROCESS OF PREPARING PT/SUPPORT OR PT ALLOY/SUPPORT CATALYST, THUS-PREPARED CATALYST AND FUEL CELL COMPRISING THE SAME - Disclosed is a method for preparing a platinum/support catalyst or a platinum alloy/support catalyst, including: a) preparing a dispersion solution including urea, a support and a water-soluble salt of at least one metal(s) having catalytic activity; (b) reacting the dispersion solution at high temperature so as to deposit the metal hydroxide particles derived from the at least one metal(s) on the support; and (c) reducing the metal hydroxide particles. The size and distribution of the platinum particles or platinum alloy particles are greatly improved by the use of urea. | 03-17-2011 |
| 20100203427 | FUEL CELL - A fuel cell includes a cathode, an anode, a proton-conductive film ( | 08-12-2010 |
| 20100203428 | Supported Catalyst for Fuel Cell and Fuel Cell - A supported catalyst for fuel cell includes a conductive carrier and platinum supported on the conductive carrier. A 90% particle diameter D | 08-12-2010 |
| 20100196802 | Fuel Cell and Supported Catalyst Used Therefor - A fuel cell having an excellent life property is achieved. A supported catalyst for a fuel cell includes a catalytic particle made of an alloy of platinum and gold, and a conductive carrier supporting the catalytic particle. 50% or more of gold forms a solid solution with platinum. | 08-05-2010 |
| 20100190094 | PHOTOCATALYTIC ELECTRODE AND FUEL CELL - The invention provides an electrode comprising an electrically conductive material having a surface capable of producing surface enhanced Raman scattering of incident light from a complex adsorbed at the surface of the electrode, the complex including the electrically conductive material combined with a second material that is substantially reducible and not substantially oxidizable. The surface of the electrode can be microroughened. The invention also includes a method for making various embodiments of the electrode, and a method of generating electricity using the electrode. In accordance with a further aspect of the invention, a fuel cell is provided including the electrode of the invention. | 07-29-2010 |
| 20110104588 | METHOD OF PREPARING NANO-SIZED CATALYST ON CARBON SUPPORT - The present invention provides a method of synthesizing a nano-sized transition metal catalyst on a carbon support, including dissolving a stabilizer in ethanol thus preparing a mixture solution, adding a support to the mixture solution thus preparing a dispersion solution, dissolving a transition metal precursor in ethanol thus preparing a precursor solution, mixing the precursor solution with the dispersion solution with stirring, and then performing reduction, thus preparing the nano-sized transition metal catalyst. This method enables the synthesis of transition metal nanoparticles supported on carbon powder having a narrow particle size distribution and a wide degree of dispersion through a simple process, and is thus usefully applied to the formation of an electrode material or the like of a fuel cell. | 05-05-2011 |
| 20110117476 | Direct-Methanol Fuel Cell - According to one embodiment, a direct-methanol fuel cell includes an anode which includes a current collector and a first catalytic layer formed on the current collector and into which an aqueous methanol solution is introduced, a cathode which includes a current collector and a second catalytic layer formed on the current collector and into which an oxidizer is introduced and an electrolyte membrane interposed between the anode and the cathode. The second catalytic layer includes a catalyst, a perfluoroalkylsulfonic acid polymer, and a ternary metal-containing copolymer. The ternary metal-containing copolymer includes a first vinyl monomer containing an organic metal complex of Pt, a second vinyl monomer containing an organic metal complex of M1, where M1 is a metal selected from Sn, Zn, Ni, Fe, Co, Al and Cu and a third vinyl monomer containing an organic metal complex in which M2 is ionically bonded, where M2 is Eu or La. | 05-19-2011 |
| 20110305975 | CATALYTIC PARTICULATE SOLUTION FOR A MICRO FUEL CELL AND RELATED METHOD - A catalytic particulate solution is provided for a micro fuel cell. The solution includes a suspension of catalytic nanoparticles in a solvent and a polymerizable oligomer. Also presented is a method for depositing such a catalytic particulate solution that includes a step of depositing the particulate solution onto a substrate, during which the oligomer polymerization is primed, for example, using UV lighting. | 12-15-2011 |
| 20110311903 | GAS DIFFUSION ELECTRODE AND PROCESS FOR PRODUCTION THEREOF - The present invention relates to a gas diffusion electrode that includes an electrically conductive carrier, and a porous coating based on an electrochemically active catalyst and a hydrophobic material, wherein the electrode has a first side facing an oxygen-containing gas and a second side facing an alkaline electrolyte, wherein the catalyst comprises a noble metal as a catalytically active component, wherein the hydrophobic material comprises a hydrophobic polymer, and wherein the coating comprising the catalyst has a pore volume from 10 to 500 mm | 12-22-2011 |
| 20120003569 | METHOD OF FORMING A TERNARY ALLOY CATALYST FOR FUEL CELL - A method of forming a supported catalyst for a fuel cell includes depositing platinum onto a carbon support material, depositing a first alloy metal onto the carbon support material following the deposition of the platinum, and depositing a second alloy metal onto the carbon support material following the deposition of the first alloy metal. The first alloy metal is selected from iridium, rhodium, palladium, and combinations thereof, and the second alloy metal includes a first or second row transition metal. | 01-05-2012 |
| 20120021337 | FUEL CELL CATALYST WITH METAL OXIDE/PHOSPHATE SUPPORT STRUCTURE AND METHOD OF MANUFACTURING SAME - A fuel cell supported catalyst includes an underlying support structure having at least one of a metal oxide and a metal phosphate. Catalyst particles are arranged onto and in engagement with the support structure. An intermediate conductive, corrosion-resistant layer, such as boron-doped-diamond, is arranged onto and in engagement with the support structure to surround the catalyst particles. The supported catalyst is produced by depositing the intermediate layer onto the support structure after the catalyst particles have been deposited on the underlying support structure, in one example. In another example, voids are provided in the intermediate layer, which has been deposited onto the underlying support structure, to subsequently receive the catalyst particles. | 01-26-2012 |
| 20120058417 | CARBIDE STABILIZED CATALYST STRUCTURES AND METHOD OF MAKING - A catalyst structure for an electrochemical cell includes a catalyst support structure, catalyst particles and an outer carbide film The catalyst particles are deposited on the catalyst support structure. The outer carbide film is formed on the catalyst support structure. The outer carbide film surrounds the catalyst particles. | 03-08-2012 |
| 20120028170 | ELECTROCATALYST OF CARBON NANOTUBES ENCAPSULATING PLATINUM GROUP METAL NANOPARTICLES FOR FUEL CELLS - A fuel cell electrode and a method for forming the fuel cell electrode are disclosed. Initially, carbon nanotubes grafted with poly(citric acid) encapsulating platinum group metal nanoparticles are synthesized. The carbon nanotubes grafted with poly(citric acid) encapsulating platinum group metal nanoparticles are then electrospray deposited on an electrode of a fuel cell. | 02-02-2012 |
| 20120028169 | CATALYST FOR FUEL CELL AND METHOD FOR PREPARING THE SAME - The present invention provides a support for an electrode of a polymer electrolyte membrane fuel cell, a fuel cell, and a platinum-supported catalyst, and an electrode using the same. In particular, the present invention provides a method in which linear crystalline carbon nanofibers and nonlinear crystalline carbon particles with increased surface area and improved crystallinity are used to enhance the active site of catalyst particles and ensure the durability of the catalyst by the crystalline carbon materials. The linear crystalline carbon nanofibers are grown to have a predetermined fiber diameter by heat treatment at a high temperature in a gas phase of hydrocarbon in an inert gas atmosphere using an oxide such as Ni, Fe, Mn, etc. as a catalyst. The crystallinity of the linear crystalline carbon nanofibers is also improved by the heat treatment. As the nonlinear crystalline carbon particles, commercially available acetylene black that has been heat-treated at a high temperature under steam to expand the surface area and improve the crystallinity, can be used to thereby provide high surface area and ensure excellent oxidation resistance. | 02-02-2012 |
| 20120064437 | PLATINUM-CONTAINING CATALYST AND FUEL CELL USING THE SAME - A platinum-containing catalyst that is able to optimize state density of platinum 5d vacant orbital and is able to improve catalyst activity and a fuel cell using the same are provided. In the platinum-containing catalyst, when ratio of a peak intensity of a PtLIII absorption edge of a normalized X-ray absorption spectrum of the platinum-containing catalyst with respect to a peak intensity of a PtLIII absorption edge of a normalized X-ray absorption spectrum of a platinum simple substance metal foil having a thickness of 10 μm is Y, the number of holes of a platinum 5d vacant orbital in the platinum simple substance metal foil is 0.3, the number of holes of a platinum 5d vacant orbital in the platinum-containing catalyst is N, and molar ratio of total of metal elements other than platinum to the platinum in the platinum-containing catalyst is X, Y=0.144X+1.060 is established in the range of 0.1≦X≦1, and N=0.030X+0.333 is established in the range of 0.1≦X≦1. | 03-15-2012 |
| 20120107728 | NON-AQUEOUS ELECTROLYTE AND LITHIUM AIR BATTERY INCLUDING THE SAME - A non-aqueous electrolyte and a lithium air battery including the same. The non-aqueous electrolyte may include an oxygen anion capturing compound to effectively dissociate the reduction reaction product of oxygen formed during discharging of the lithium air battery, reduce the overvoltage of the oxygen evolution reaction occurring during battery charging, and enhance the energy efficiency and capacity of the battery. | 05-03-2012 |
| 20120122019 | Conducting Metal Oxide and Metal Nitride Nanoparticles - Conducting metal oxide and nitride nanoparticles that can be used in fuel cell applications. The metal oxide nanoparticles are comprised of for example, titanium, niobium, tantalum, tungsten and combinations thereof. The metal nitride nanoparticles are comprised of, for example, titanium, niobium, tantalum, tungsten, zirconium, and combinations thereof. The nanoparticles can be sintered to provide conducting porous agglomerates of the nanoparticles which can be used as a catalyst support in fuel cell applications. Further, platinum nanoparticles, for example, can be deposited on the agglomerates to provide a material that can be used as both an anode and a cathode catalyst support in a fuel cell. | 05-17-2012 |
| 20100248086 | Method of Evaluating the Performance of Fuel Cell Cathode Catalysts, Corresponding Cathode Catalysts and Fuel Cell - A method for accurately evaluating the performance of fuel-cell electrode catalysts, a method of search for fuel-cell electrode catalysts having excellent performance, and fuel-cell electrode catalysts having new and excellent catalytic activity searched for by the above method. In a method for evaluating the performance of fuel-cell electrode catalysts composed of conductive carriers on which catalytic metal is supported, the oxygen atom adsorption energy on the catalytic metal surface obtained through a molecular simulation analysis is used as an indicator of the performance evaluation. Suitable catalysts consist of Pt—Au or Pt—Au—B, wherein B is one or more metal chosen from the group of chrome (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), rhodium (Rh) and palladium (Pd) and wherein the content of Au is 6 atom % or less. | 09-30-2010 |
